Excellent for those interested in the history of codemaking/breaking in the 20th century.
by Friedrich L. Bauer is widely considered a cornerstone text in the field of cryptology. Originally published in German as Entzifferte Geheimnisse , it evolved from lecture notes into a comprehensive English reference that balances historical narrative with rigorous mathematical analysis. Core Content and Structure Decrypted Secrets
as a first book. It assumes a "mathematical mindset" and familiarity with pure math terminology that may be inaccessible to casual readers. Researchers Excellent for those interested in the history of
Ideal as a classic reference work and supplementary text for university-level courses. Originally published in German as Entzifferte Geheimnisse ,
Decrypted Secrets: Methods and Maxims of Cryptology - Amazon UK
– Focuses on the creation of codes and ciphers. It details various encryption steps, including simple and polygraphic substitution, linear substitution, transposition, and polyalphabetic systems.
: The fourth edition includes nearly 200 figures, 29 tables, and 16 color plates, making it a visually dense and detailed reference work. Target Audience & Prerequisites Reader Type Recommendation Mathematicians